Finding the Fourth Proportional to 886,469,747.10, 1,329,704,620.65 and 519,137,727.90
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Solution
The fourth proportional to 886,469,747.10, 1,329,704,620.65 and 519,137,727.90 is: 778,706,591.85
Step by Step Solution
- Step 1: Write the proportion equation
886,469,747.10 : 1,329,704,620.65 = 519,137,727.90 : x - Step 2: Convert to fraction form
886,469,747.10/1,329,704,620.65 = 519,137,727.90/x - Step 3: Cross multiply
886,469,747.10x = 1,329,704,620.65 × 519,137,727.90 - Step 4: Simplify right side
886,469,747.10x = 690,299,835,542,372,480 - Step 5: Solve for x
x = 690,299,835,542,372,480/886,469,747.10 - Step 6: Final answer
x = 778,706,591.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.